#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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