#include<stdio.h>
int main(void){
	int L,M,N,L1,M1,N1;
	
	scanf("%d%d%d",&L,&M,&N);
	N1 = (N%25);
	M1 = ((M+N/25)%4);
	L1 = ((L+M/4)%10);
	printf("%d\n",L1+M1+N1);
	return 0;
}