/*#include <stdio.h>
#include <stdlib.h>
int main()
{
printf("Hello world!\n");
return 0;
}
*/
/*#include <stdio.h>
int main()
{
int a,b,c;
scanf("%d %d %d",&a, &b, &c);
if(a>170&&b>170&&c>170) {
printf("PASS");
}
else if(a<=170) {
printf("CRASH %d", a);
}
else if(b<=170) {
printf("CRASH %d", b);
}
else {
printf("CRASH %d", c);
}
}
*/
/*#include <stdio.h>
int main()
{
int a, b;
scanf("%d %d" ,&a, &b);
if(a%5==0){
printf("%d",(90-a)/5+b);
}
else{
printf("%d",(90-a)/5+b+1);
}
}
*/
/*
#include <stdio.h>
int main()
{
int a,b,c;
scanf("%d %d %d",&a, &b, &c);
if(c<10) {
printf("%d%d0%d", a,b,c);
}
else {
printf("%d%d%d", a,b,c);
}
}
*/
/*#include <stdio.h>
int main()
{
double a,b, c, d;
scanf("%lf %lf",&a, &b);
c =(a-100)*0.9;
d =(b-c)*100/c;
if (d<=10)
{
printf("정상");
}
else if (10<d && d<=20)
{
printf("과체중");
}
else {
printf("비만");
}
}
*/
/*
#include <stdio.h>
int main()
{
double a, b, c, d ;
scanf("%lf %lf",&a, &b );
if(a<150){
c=a-100;
}
else if(150<=a && a<160){
c=(a-150)/2+50;
}
else {
c=(a-100)*0.9;
}
d=(b-c)*100/c;
if (d<=10)
{
printf("정상");
}
else if (10<d && d<=20)
{
printf("과체중");
}
else {
printf("비만");
}
}
*/
/*#include<stdio.h>
int main(){
int n;
scanf("%d", &n);
switch(n/10) {
case 10:
printf("A");
break;
case 9:
printf("A");
break;
case 8:
printf("B");
break;
case 7:
printf("C");
break;
case 6:
printf("D");
break;
default :
printf("F");
}
}
*/
/*#include<stdio.h>
int main(){
int a,b,c,d;
scanf("%d %d %d %d", &a, &b, &c, &d);
switch(a+b+c+d) {
case 0:
printf("모");
break;
case 1:
printf("도");
break;
case 2:
printf("개");
break;
case 3:
printf("걸");
break;
case 4:
printf("윷");
break;
}
}
*/
#include <stdio.h>
int main()
{
int a, b, c ;
scanf("%d %d %d",&a, &b,&c );
if(a+b<=c) {
printf("삼각형아님");
}
else if(a==b&&b==c)
{
printf("정삼각형");
}
else if(a==b||b==c||c==a)
{
printf("이등변삼각형");
}
else if(a*a+b*b==c*c)
{
printf("직각삼각형");
}
else{
printf("삼각형");
}
}
/*#include <stdio.h>
#include <stdlib.h>
int main()
{
printf("Hello world!\n");
return 0;
}
*/
/*#include <stdio.h>
int main()
{
int a,b,c;
scanf("%d %d %d",&a, &b, &c);
if(a>170&&b>170&&c>170) {
printf("PASS");
}
else if(a<=170) {
printf("CRASH %d", a);
}
else if(b<=170) {
printf("CRASH %d", b);
}
else {
printf("CRASH %d", c);
}
}
*/
/*#include <stdio.h>
int main()
{
int a, b;
scanf("%d %d" ,&a, &b);
if(a%5==0){
printf("%d",(90-a)/5+b);
}
else{
printf("%d",(90-a)/5+b+1);
}
}
*/
/*
#include <stdio.h>
int main()
{
int a,b,c;
scanf("%d %d %d",&a, &b, &c);
if(c<10) {
printf("%d%d0%d", a,b,c);
}
else {
printf("%d%d%d", a,b,c);
}
}
*/
/*#include <stdio.h>
int main()
{
double a,b, c, d;
scanf("%lf %lf",&a, &b);
c =(a-100)*0.9;
d =(b-c)*100/c;
if (d<=10)
{
printf("정상");
}
else if (10<d && d<=20)
{
printf("과체중");
}
else {
printf("비만");
}
}
*/
/*
#include <stdio.h>
int main()
{
double a, b, c, d ;
scanf("%lf %lf",&a, &b );
if(a<150){
c=a-100;
}
else if(150<=a && a<160){
c=(a-150)/2+50;
}
else {
c=(a-100)*0.9;
}
d=(b-c)*100/c;
if (d<=10)
{
printf("정상");
}
else if (10<d && d<=20)
{
printf("과체중");
}
else {
printf("비만");
}
}
*/
/*#include<stdio.h>
int main(){
int n;
scanf("%d", &n);
switch(n/10) {
case 10:
printf("A");
break;
case 9:
printf("A");
break;
case 8:
printf("B");
break;
case 7:
printf("C");
break;
case 6:
printf("D");
break;
default :
printf("F");
}
}
*/
/*#include<stdio.h>
int main(){
int a,b,c,d;
scanf("%d %d %d %d", &a, &b, &c, &d);
switch(a+b+c+d) {
case 0:
printf("모");
break;
case 1:
printf("도");
break;
case 2:
printf("개");
break;
case 3:
printf("걸");
break;
case 4:
printf("윷");
break;
}
}
*/
#include <stdio.h>
int main()
{
int a, b, c ;
scanf("%d %d %d",&a, &b,&c );
if(a+b<=c) {
printf("삼각형아님");
}
else if(a==b&&b==c)
{
printf("정삼각형");
}
else if(a==b||b==c||c==a)
{
printf("이등변삼각형");
}
else if(a*a+b*b==c*c)
{
printf("직각삼각형");
}
else{
printf("삼각형");
}
}