#include <stdio.h>
#include <stdlib.h>
/*
int main()
{
printf("Hello world!\n");
return 0;
}*/
/*
#include <stdio.h>
int main() {
long long int x;
scanf("%lld",&x);
printf("%lld",x+1);
return 0;
}*/
/*
int main(){
long long int x,y;
scanf("%lld %lld",&x,&y);
printf("%lld\n%lld\n%lld\n%lld\n%lld\n%.2f",x+y,x-y,x*y,x/y,x%y,(float)x/y);
return 0;
}*/
/*
int main(){
int x,y,z;
scanf("%d %d %d",&x,&y,&z);
printf("%d\n%.1f",x+y+z,(x+y+z)/(float)3);
return 0;
}*/
/*
int main(){
int x;
scanf("%d",&x);
printf("%d",x);
return 0;
}*/
/*
int main(){
int x;
scanf("%d",&x);
printf("%d%%",x);
return 0;
}*/
/*
int main(){
int x,y;
scanf("%d %d",&x,&y);
printf("%d %d",x,y);
return 0;
}*/
/*
int main(){
int x,y;
scanf("%d %d",&x,&y);
printf("%d %d",y,x);
return 0;
}*//*
int main(){
int x,y;
scanf("%d %d",&x,&y);
printf("%d",x+y);
return 0;
}*//*
int main (){
long long int x,y;
scanf("%lld %lld",&x,&y);
printf("%lld",x+y);
return 0;
}*//*
int main(){
int x,y;
scanf("%d %d",&x,&y);
printf("%d+%d=%d\n%d-%d=%d\n%d*%d=%d\n%d/%d=%d",x,y,x+y,x,y,x-y,x,y,x*y,x,y,x/y);
return 0;
}*//*
int main(){
float x,y;
scanf("%f %f",&x,&y);
printf("%.2f",x*y);
return 0;
}질문 왜 int 함수 안되는지*/
/*
int main(){
int x,y;
scanf("%d %d",&x,&y);
printf("%.1f",x*y/(float)2);
return 0;
}*//*
int main(){
int x;
scanf("%d",&x);
printf("%d",x*24);
return 0;
}*//*
int main(){
int x,y,z;
scanf("%d %d %d",&x,&y,&z);
printf("%.2f",(x+y+z)/(float)3);
return 0;
}*//*
int main(){
int x,y;
scanf("%d %d",&x,&y);
printf("%d",x%y);
return 0;
}*//*
int main(){
int x;
scanf("%d",&x);
printf("%d %d",x/10/6,x-(60*(x/10/6)));
return 0;
}*//*
int main(){
int x;
scanf("%d",&x);
printf("%.3f",(float)9/5*x+32);
return 0;
}*/