#include <stdio.h>

int f(int a, int b, int c, int d){ //citire ip uri
	int y = 0;
	int n = 0;
	unsigned int msk = n;
	a = a << 24;
	b = b << 16;
	c = c << 8;
	y = msk | a | b | c | d;
	return y;
}



void g(int x){
int contor = 1;
for(int i = 31; i >= 0; i--){ //afisare pe biti
		if( ( x & (1<<i) ) )
			printf("1");
		else
			printf("0");

	if(contor == 8 || contor == 16 || contor == 24)
	printf(".");

contor++;
	}
printf(" \n");
}


void k(int a, int b, int c, int d){
	printf("%d", a);
	printf(".");
	printf("%d", b);
	printf(".");
	printf("%d", c);
	printf(".");
	printf("%d", d);
}

int main(){


unsigned int MSK_1, IP_1, IP_2;
int n, N, a, b, c, d, MSK_2, a1, b1, c1, d1;
scanf("%d", &n);

for(int i = 0; i < n; i++){ //citire pe seturi de date

	scanf("%d.%d.%d.%d", &a, &b, &c, &d);
	MSK_1 = f(a, b, c, d);

	scanf("%d", &MSK_2);

	scanf("%d.%d.%d.%d", &a1, &b1, &c1, &d1);
	IP_1 = f(a1, b1, c1, d1);

	scanf("%d.%d.%d.%d", &a, &b, &c, &d);
	IP_2=f(a, b, c, d);

	for(int j = 1; j <= N; j++){
		scanf("%d.%d.%d.%d/%d", &a, &b, &c, &d, &e);

	}

}


	printf("-0  ");
	k(a1, b1, c1, d1);
	printf("/%d \n", MSK_2);


	/*printf("-1  ");
	int o = 0;
	o = o << 32 - MSK_2;*/








return 0;
}