#include <stdio.h>
#include <stdlib.h>


int** mm() {
	int N, M;
	scanf("%d %d", &N, &M);
    int** A = (int**)malloc(N * sizeof(int*));
	for (int i = 0; i < N; i++) A[i] = (int*)malloc(M * sizeof(int));

	for (int i = 0; i < N; i++) {
		for (int j = 0; j < M; j++) {
			scanf("%d", &A[i][j]);
		}
	}
	return A;
}
int sizei(int** &A) {
	return sizeof(A) / sizeof(int);
}
int sizej(int** &A) {
	return sizeof(A[0]) / sizeof(int);
}
void dest(int** &A) {
	for (int i = 0; i < sizei(A); i++) free(A[i]);
	free(A);
}

void mul(int** A, int** B) {
	int** C = (int**)malloc(sizei(A) * sizeof(int*));
	for (int i = 0; i < sizei(A); i++) C[i] = (int*)malloc(sizej(B) * sizeof(int));

	for (int i = 0; i < sizei(C); i++)
		for (int j = 0; j < sizej(C); j++) {
			C[i][j] = 0;
		    for (int k = 0; k < sizej(A); k++) C[i][j] += A[i][k] * B[k][j];
	}
	dest(A);
	A = (int**)malloc(sizei(C) * sizeof(int*));
	for (int i = 0; i < sizei(C); i++) A[i] = (int*)malloc(sizej(C) * sizeof(int));
	A = C;
	dest(C);
}
int main()
{
	//считывание а
	int** A = mm();
	char s1[4];
	char s2[4];
	scanf("%s", &s1);
	do {
		while (strcmp(s1, "*") == 0) {
			int** B = mm();
			mul(A, B);
			scanf("%s", &s1);
			dest(B);
		}
		if (strcmp(s1, ".") == 0) break;
        int** B = mm();
		scanf("%s", &s2);
        while (strcmp(s2, "*") == 0) {
			int** C = mm();
			mul(B, C);
			scanf("%s", &s2);
			dest(C);
		}

		if (strcmp(s1, "+") == 0) {
			for (int i = 0; i < sizei(A); i++) for (int j = 0; j < sizej(B); j++) A[i][j] += B[i][j];
		}
		else if (strcmp(s1, "-") == 0) {
			for (int i = 0; i < sizei(A); i++) for (int j = 0; j < sizej(B); j++) A[i][j] -= B[i][j];
		}
        dest(B);
		s1 = s2;
	} while (strcmp(s1, ".") != 0);
	//вывод а
	for (int i = 0; i < sizei(A); i++) {
		for (int j = 0; j < sizej(A); j++) printf("%d ", A[i][j]);
		printf("\n");
	}
	dest(A);
}