#include<iostream> int main(){ char a[51],T,i; scanf("%d",&T); for(int n=0;n<=T;n++){ gets(a); while(a[i]!='\0'){ if(a[i]=='a'||a[i]!='e'||a[i]!='i'||a[i]!='o'||a[i]!='u'||a[i]=='A'||a[i]!='E'||a[i]!='I'||a[i]!='O'||a[i]!='U'){ if(a[i]=='a'||a[i]!='e'||a[i]!='i'||a[i]!='o'||a[i]!='u'){ a[i]+=32; } else a[i]=a[i]; else if(a[i]=='B'||a[i]=='C'||a[i]=='D'||a[i]=='F'||a[i]=='G'||a[i]=='H'||a[i]=='J'||a[i]=='K'||a[i]=='L'||a[i]=='M'||a[i]=='N'||a[i]=='P'||a[i]=='Q'||a[i]=='R'||a[i]=='S'||a[i]=='T'||a[i]=='V'||a[i]=='W'||a[i]=='X'||a[i]=='Y'||a[i]=='Z'){ a[i]-=32; } else a[i]=a[i]; } } } puts(a); return 0; }