#include<stdio.h>\x0d
main(){char s[1000];int i,m,j;gets(s);m=s[0];for(i=0;i<m;i++)printf("+");printf(".");for(i=1;s[i]!='\0';i++){if(s[i]>s[i-1]){m=s[i]-s[i-1];for(j=0;j<m;j++)printf("+");printf(".");}else{m=s[i-1]-s[i];for(j=0;j<m;j++)printf("-");printf(".");}}}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).