#include <stdio.h>
int main(void)
{
char s[90] = "c#$cpp, csharp!@!?< java &***()python ())%$php";
int j;
for (int i = 0; s[i]; i++)
{
while (!( (s[i] >= 'a' && s[i] <= 'z') || (s[i] >= 'A' && s[i] <= 'Z') || s[i] == '\0') )
{
for (j = i; s[j]; j++)
s[j] = s[j + 1];
s[j] = '\0';
}
}
puts(s);
return 0;
}
/*
run:
ccppcsharpjavapythonphp
*/