#include <stdio.h>
#include <stdlib.h>
#define MAXQSIZE 100

typedef struct {
	char *base;
	int front;
	int rear;
}SqQueue;

void InitQueue(SqQueue &Q){
	char c;
	int n;
	
	Q.base = (char *)malloc(MAXQSIZE * sizeof(char));
	
	if(!Q.base )
		return ;
	
	Q.front = Q.rear = 0;
	
	scanf("%d",&n);
	
	if(n >= MAXQSIZE || n <= 0)
		return ;
		
	while(n --){
		c = getchar();
		Q.base [Q.rear ] = c;
		Q.rear = (Q.rear + 1) % MAXQSIZE;
	}

}

void Merge(SqQueue Qman, SqQueue Qwoman, int n){
	
	int i = Qman.front , j = Qwoman.front, index, ans = 0;
	
	while(n --){
		index = Qman.rear < Qwoman.rear ? Qman.rear : Qwoman.rear;
		
		printf("\n=====%d=====\n",++ans);
		while(index --){	
			printf("%c<-->%c\n",Qman.base [i], Qwoman.base [j]);
			i = (i + 1) % Qman.rear;
			j = (j + 1) % Qwoman.rear;
		}	
	}
}

int main(){
	SqQueue Qman,Qwoman;
	int n;
	
	InitQueue(Qman);
	InitQueue(Qwoman);
	
	scanf("%d",&n);
	Merge(Qman,Qwoman,n);
	
	return 0;
}