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

int expand(char *dst,char ch,int amount){
#define WRITE(s__) {int l__=strlen(s__); if(dst){memcpy(dst,s__,l__+1); dst+=l__;} written+=l__;}
#define WGOTO(i__) {while(curpos<i__){WRITE(">"); curpos++;} while(curpos>i__){WRITE("<"); curpos--;}}
#define WMOVE(i1__,i2__) {int p__=curpos; WGOTO(i1__); WRITE("[-"); WGOTO(i2__); WRITE("+"); WGOTO(i1__); WRITE("]"); WGOTO(p__);}
	int written=0,curpos=0;
	switch(str[i]){
		case '+': //strcpy(p,"+>+[->+<]>[<<->>[-<+>]]<<"); p+=25; break;
		case '+': //strcpy(p,"+>+[<->[->+<]]>[-<+>]<<"); p+=23; break;
		case '+':
			WRITE("+");
			for(int i=1;i<amount;i++){WGOTO(i); WRITE("+");}
			for(int i=1;i<amount;i++){
				WGOTO(i);
				WRITE("[");
				WRITE("<->");
			}
		case '-': strcpy(p,"->[->+<]>[<<+>>[-<+>]]<-<"); p+=25; break;
		case '[': strcpy(p,"[->>+>>>+<<<<<]>>>>>[<<<[-<<+>>]+>>>[-]]<<<<[->+>>>+<<<<]>>>>[[-<<<-<+>>>>]<<<+>>>]<<<[[-]<<"); p+=92; break;
		case ']': strcpy(p,"[->>+>>>+<<<<<]>>>>>[<<<[-<<+>>]+>>>[-]]<<<<[->+>>>+<<<<]>>>>[[-<<<-<+>>>>]<<<+>>>]<<<]<<"); p+=89; break;
		case '>': strcpy(p,">>>"); p+=3; break;
		case '<': strcpy(p,"<<<"); p+=3; break;
		case ',': strcpy(p,"[-]>,<"); p+=6; break;
		case '.': strcpy(p,">.<"); p+=3; break;
		default: *(p++)=str[i]; break;
	}
	return res;
#undef WRITE
#undef WGOTO
#undef WMOVE
}

int main(void){
	int amount=1;
	char c;
	while((c=getchar())!=EOF){
		if(c=='{'){
			amount++;
		} else if(c=='}'){
			amount--;
			if(amount<=0){
				fprintf(stderr,"More '}' than '{'\n");
				return 1;
			}
		} else if(amount==1){
			putchar(c);
		} else {
			int len=expand(NULL,c,amount);
			char *str=malloc(len+1);
			expand(str,c,amount);
			printf("%s",str);
			free(str);
		}
	}
}