# 1 "main.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "/usr/include/stdc-predef.h" 1 3 4
# 1 "<command-line>" 2
# 1 "main.c"
# 1 "head.h" 1



int add(int, int);
int sub(int, int);
int mul(int, int);
double div(int, int);
# 2 "main.c" 2

int main(void){
int a, b;

int i;


printf("enter two numbers:");
scanf("%d %d", &a, &b);

for(i=0;i<5313;i++){

}

printf("add:%d\n",add(a, b));
printf("sub:%d\n",sub(a, b));
printf("mul:%d\n",mul(a, b));
printf("div:%lf\n",div(a, b));
   return 0;
}