#include<stdio.h>

int main() {

    int width, height;

    int i, j;

    while (~scanf("%d %d", &width, &height)) {

        if (width !=  && height != ) {

            printf("+");

            for (i = ; i < width; i++) {

                printf("-");

            }

            printf("+\n");

            for (j = ; j < height; j++) {

                printf("|");

                for (i = ; i < width; i++) {

                    printf(" ");

                }

                printf("|\n");

            }

            printf("+");

            for (i = ; i < width; i++) {

                printf("-");

            }

            printf("+\n");

        }

        printf("\n");

    }

    return ;

}