/*#include <stdio.h>
typedef struct _node {
int a, b;
}Node;
int sum(int x, int y) {
return x+y;
}
void talk() {
printf("sadasdas\n");
return ;
}
Node falling(Node a) {
return a;
}
int main() {
int a, b;
scanf("%d %d", &a, &b);
printf("%d\n", a+b);
printf("%d\n", sum(a,b));
talk();
}
*/
/*
#include<stdio.h>
int main() {
int x, y;
}
*/
/*
#include<stdio.h>
int main() {
int a, b;
scanf("%d %d", &a, &b);
a = a + 10;
printf("%d", a>=b);
}
*/
/*
#include<stdio.h>
int main() {
int a, b;
scanf("%d %d", &a, &b);
// && || !
}
*/
/*//1056
#include <stdio.h>
int main() {
int a, b;
scanf("%d %d" ,&a, &b);
printf("%d", (!a&&b)||(a&&!b));
}
*/
/*//1057
#include <stdio.h>
int main() {
int a, b;
scanf("%d %d",&a, &b);
printf("%d", (!a&&!b)||(a&&b));
}
*/
/*//1058
#include <stdio.h>
int main() {
int a, b;
scanf("%d %d", &a, &b);
printf("%d", !a&&!b);
}
*/
/*//1123
#include <stdio.h>
int main () {
int a;
scanf("%d", &a);
printf("%.3f", (float)9/5 * a + 32 );
}
*/
/*//118
#include <stdio.h>
int main () {
int a, b;
scanf("%d %d", &a, &b);
printf("%.1f", (float)a*b/2);
}
*/
/*//1060
#include <stdio.h>
int main () {
int a, b;
scanf("%d %d", &a, &b);
printf("%d", a & b);
}
*/
/*//1062
#include <stdio.h>
int main () {
int a, b;
scanf("%d %d", &a, &b);
printf("%d", a ^ b);
}
*/
/*//1119
#include <stdio.h>
int main () {
int a;
scanf("%d", &a);
printf("%d", a*24);
}
*/
/*//1122
#include <stdio.h>
int main () {
int a;
scanf("%d", &a);
printf("%d %d",a/60, a%60);
}
*/
/*//1218
#include <stdio.h>
int main ()
{
int a, b, c;
scanf("%d %d %d", &a, &b, &c);
if(a+b>c) {
if(a==b && a==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");
}
}
else {
printf("삼각형아님");
}
}
*/
/*1180
#include <stdio.h>
int main() {
int a, b, c, d;
scanf("%d", &a);
b = a/10;
c = a%10;
d = (10*c +b)*2;
d = d%100;
if (d<=50) {
printf("%d\nGOOD",d);
}
else {
printf("%d\nOH MY GOD",d);
}
}
*/