#include <stdio.h>

int add(int x,int y)
{
   return x+y;
}
int sub(int x,int y)
{
    return x-y;
}
int quotient(int x,int y)
{
    return x/y;
}
int remains(int x,int y)
{
   return x%y;
}
int multiply(int x, int y)
{
    return x*y;
}
int power4(int x)
{
    return x * x * x * x;
}
int main()
{
    int u,x,y,z;
    printf("Input the variables for u,x,y, and z: ");
    scanf("%d%d%d%d"&u,&x,&y,&z);
    printf("The answer to %d+(%d/%d) is %d\n",x,y,z,add(x,quotient(y,z)));
    printf("The answer to (%d-%d^%d)^4/(%d-%d) is %d\n",x,y,z,x,y,quotient(power4(sub(x,multiply(y,z))),sub(x,y)));
    printf("The answer to %d-(%d-%d/%d(7-%d)) is %d\n",x,y,z,u,x,sub(x,sub(y,multiply(quotient(z,u),sub(7,x))))); //x - (y - z / u (7 - x))

    system("pause"); //MAKE SURE TO REMOVE THIS LINE WHEN HANDING IN!


    return 0;
}