/*
#include <stdio.h>
#include <stdlib.h>
int main()
{
long long int x,y;
scanf("%lld %lld",&x,&y);
printf("%lld",x+y);
}
*/
/*
#include <stdio.h>
int main()
{
int x,y;
scanf("%d %d",&x,&y);
printf("%.1f",(x*y)/2.0);
}
*/
/*
#include <stdio.h>
int main()
{
int x;
scanf("%d",&x);
printf("%d",x*24);
}
*/
/*
#include <stdio.h>
int main()
{
int a,b,c;
scanf("%d %d %d",&a,&b,&c);
printf("%.2f",(a+b+c)/3.0);
}
*/
/*
#include <stdio.h>
int main()
{
int x,y;
scanf("%d %d",&x,&y);
printf("%d",x%y);
}
*/
/*
#include <stdio.h>
int main()
{
int x;
scanf("%d",&x);
printf("%.3f",(9/5.0)*x+32);
}
*/
/*
#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d", &a,&b);
printf("%d+%d=%d\n", a,b,a+b);
printf("%d-%d=%d\n", a,b,a-b);
printf("%d*%d=%d\n", a,b,a*b);
printf("%d/%d=%d", a,b,a/b);
}
*/