#include<stdio.h>

#include<string.h>

int main()

{

    int l, i;

    char s[100];

    scanf("%s",s);

    l = strlen(s);

    for(i=0; i<l; i++)

    {

        if((s[i]>='A' && s[i]<='Z') && s[i]!='a' && s[i]!='e' && s[i]!='i' && s[i]!='o' && s[i]!='u' && s[i]!='A' && s[i]!='E' && s[i]!='I' && s[i]!='O' && s[i]!='U')

        {

          

                s[i] = s[i] + 32;

  

    }
}
   printf("%s",s);

    return 0;

}

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