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- #include<bits/stdc++.h>
- using namespace std;
- char s[50];
- int main()
- {
- int test,len;
- scanf("%d",&test);
- getchar();
- while(test--)
- {
- gets(s);
- len = strlen(s);
- if(len==1 || len==2)
- {
- printf("+\n");
- }
- else if(s[len-2]=='3' && s[len-1]=='5')
- {
- printf("-\n");
- }
- else if(s[0]=='9' && s[len-1]=='4')
- {
- printf("*\n");
- }
- else
- {
- printf("?\n");
- }
- }
- return 0;
- }
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