/*#include <stdio.h>
#include <stdlib.h>
int main()
{
printf("Hello world!\n");
return 0;
}*/
/*#include <stdio.h>
int main()
{
int a,d;
scanf("%d %d",&a,&d);
printf("%d+%d=%d\n",a,d,a+d);
printf("%d-%d=%d\n",a,d,a-d);
printf("%d*%d=%d\n",a,d,a*d);
printf("%d/%d=%d\n",a,d,a/d);
return 0;
}*//*
#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d ",a%b);
return 0;
}*//*
#include <stdio.h>
int main()
{
int a;
scanf("%d",&a);
printf("%d %d",a/60,a%60);
return 0;
}*//*
#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a>=b);
return 0;
}*//*
#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a>=b);
return 0;
}*//*
#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a!=b);
return 0;
}*//*
#include <stdio.h>
int main()
{
int a,b,c,d;
scanf("%d %d %d %d",&a,&b,&c,&d);
printf("%.1f MB",(float)((long long int)a*b*c*d)/8/1024/1024);
return 0;
}*/