/*#include <stdio.h>
#include <stdlib.h>
int main()
{
printf("Hello world!\n");
return 0;
}
*/
/*#include <stdio.h>
int main ()
{
int a;
scanf("%d",&a);
switch(a){
case 90:
case 91:
case 92:
case 93:
case 94:
case 95:
case 96:
case 97:
case 98:
case 99:
case 100:
printf("A");
break;
case 80:
case 81:
case 82:
case 83:
case 84:
case 85:
case 86:
case 87:
case 88:
case 89:
printf("B");
break;
case 70:
case 71:
case 73:
case 74:
case 75:
case 76:
case 77:
case 78:
case 79:
printf("C");
break;
case 60:
case 61:
case 62:
case 63:
case 64:
case 65:
case 66:
case 67:
case 68:
case 69:
printf("D");
break;
default:
printf("F");
break;
}
return 0;
}
*/
/*#include <stdio.h>
int main ()
{
int a,b,c;
scanf("%d %d %d",&a,&b,&c);
if(a<=b && b<=c || c<=b && b<=a){
printf("%d",b);
}
else if(b<=a && a<=c || c<=a && a<=b){
printf("%d",a);
}
else{
printf("%d",c);
}
return 0;
}
*/
/*#include <stdio.h>
int main ()
{
int a,b,c;
scanf("%d %d %d",&a,&b,&c);
if(a>=b && a>=c){
if(a<b+c){
printf("yes");
}
else{
printf("no");
}
}
else if(b>=a && b>=c){
if(b<a+c){
printf("yes");
}
else{
printf("no");
}
}
else{
if(c<a+b){
printf("yes");
}
else{
printf("no");
}
}
return 0;
}
*/
/*#include <stdio.h>
int main ()
{
int a,b,y;
scanf("%d %d",&a,&b);
y=a/10000;
if(b==1 || b==2){
y=1900+y;
}
if(b==3 || b==4){
y=2000+y;
}
printf("%d",2013-y);
return 0;
}(
*/
/*#include <stdio.h>
int main ()
{
int a,b;
scanf("%d %d",&a,&b);
switch(b){
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
printf("31");
break;
case 4:
case 6:
case 9:
case 11:
printf("30");
break;
case 2:
if((a%400==0) || (a%4==0 && a%100!=0)){
printf("29");
}
else{
printf("28");
}
break;
}
return 0;
}
*/
/*#include <stdio.h>
int main ()
{
int a,b,c;
scanf("%d %d %d",&a,&b,&c);
if(c<a+b){
if(a==b && b==c){
printf("정삼각형");
}
else if(a==b || b==c){
printf("이등변삼각형");
}
else if(a*a+b*b==c*c){
printf("직각삼각형");
}
else{
printf("삼각형");
}
}
else {
printf("삼각형아님");
}
return 0;
}
*/