n = int(input())
new=[]
for i in range(n):
    med=list(input())
    if 97<=ord(med[0])<=122:
            med[0]=chr(ord(med[0])-32)
    for u in range(1,len(med)):
        if 65<ord(med[u])<=90:
            med[u]=chr(ord(med[u])+32)
    new.append(med)
for i in range(n):
     name=''.join(new[i])
     print(name)