#include <iostream>

int main(){
	int A=0;
	int B=0;
	char str[5];
	int s =0;
	int C;
	while(true){
		C = getchar();
		if(C < '0' || '9' < C) break;
		A = A*10 + C - '0';
	}
	while(true){
		C = getchar();
		if(C < '0' || '9' < C) break;
		B = B*10 + C - '0';
	}

	B -=A;
	if( B==0){
		putchar('0');
		return 0;
	}
	if(B>0){
		putchar('+');
	}else{
		B = -B;
		putchar('-');
	}
	do{
		str[s++] = B%10;
		B /= 10;
	}while(B);

	while(s--){
		putchar(str[s]+'0');
	}
	return 0;
}