#include <stdio.h>

void getInput(int *num1, int *denom1, int *num2, int *denom2);
void mult(int num1, int denom1, int num2, int denom2, 
		  int *totalnum, int *totaldenom);

int main (void) {
	int num1, denom1, num2, denom2, totalnum, totaldenom;
	
	getInput(&num1, &denom1, &num2, &denom2);
	printf("%d/%d, %d/%d\n", num1, denom1, num2, denom2);
	mult(num1, denom1, num2, denom2, &totalnum, &totaldenom);
	printf("result \t %d/%d\n", totalnum, totaldenom);
	return(0);

}

void getInput(int *num1, int *denom1, int *num2, int *denom2) {
	printf("enter num1/denom1:");
	scanf("%d/%d", num1, denom1); 
	printf("enter num2/denom2:");
	scanf("%d/%d", num2, denom2); 


}



void mult(int num1, int denom1, int num2, int denom2, 
		  int *totalnum, int *totaldenom) {
	*totalnum=num1*num2;
	*totaldenom=denom1*denom2;


}