Concept:
Letter shifting (each letter moved forward by 2 positions).
Verification:
ARGENTINA → CTIGPVKPC
Each letter shifted +2:
\[
A \to C,\ R \to T,\ G \to I,\ E \to G,\ N \to P,\ T \to V,\ I \to K,\ N \to P,\ A \to C
\]
Apply same rule to GERMANY:
\[
G \to I,\ E \to G,\ R \to T,\ M \to O,\ A \to C,\ N \to P,\ Y \to A
\]
Thus:
\[
GERMANY \to IGTOCPA
\]