1 #include 
      
        2 int main() 3 { 4     int n,i,f; 5     char str[101]; 6     while (gets(str)!=NULL) 7     { 8         i=0;f=1; 9         while (str[i]!='\0')10         {11             if (f==1)12             {13                 printf("%c",str[i]-32);14                 f=0;15             } 16             else17             {18                 printf("%c",str[i]);19             }20             i++;21             if(str[i]==' ')22             {23                 printf(" ");24                 f=1;25                 i++;26             }27         }28         printf("\n");29     }30     return 0;31 }