Acronym

#sayan bhowmik
string="Light Amplification by the Simulated Emission of Radiation"
print("\n\n")
contain=""


z=string.split(" ")
l=len(z)
emp=""


'''|SORING BLOCK|'''

for x in range(0,l,1):
    esc=z[x]
    if (z[x]=="by" or z[x]=="the" or z[x]=="of"):
        esc=z[x+1]


    emp=emp+" "+esc


print emp


'''
    =====================
       Acronym Block
    =====================

    for i in range(0,l):
    fi=x[i]
    if (fi==" "):
        fi=x[i+1]
        contain=contain+fi

final=str((x[0]+contain));print final.upper()
'''