funguje
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@ -89,6 +89,11 @@ int main()
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char input[1000];
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while (fgets(input,sizeof(input),stdin)!=NULL)
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{
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if((input[0]>'A' && input[0]<'Z') || (input[0]>'a' && input[0]<'z'))
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{
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printf("bad input\n");
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return 0;
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}
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int flag=switch_operators(input);
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input[strcspn(input,"\n")]=0;
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if (strlen(input)==0 || input[0]==' ')
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